Sound Beach, NY Radon Mitigation and Testing

Q: What EPA Radon Zone is Sound Beach in?

Sound Beach is in Suffolk County, EPA Zone 3.

Q: How much does radon mitigation cost in Sound Beach?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Suffolk County

EPA Zone 3

Part of Suffolk County on Long Island within the New York City Metro area, Sound Beach sits where glacial deposits over bedrock create moderate radon potential. Current testing data for zip code 11789 is limited, though Long Island's geological complexity can produce surprising variations between neighboring properties. The area's mix of post-war ranch homes and newer construction requires individual assessment to determine actual radon levels.

Sound Beach, NY Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Sound Beach, NY Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Sound Beach Radon Facts

Key details about the radon risk profile for Sound Beach and the 11789 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Suffolk County, NY

Zip Code

11789

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Sound Beach and the 11789 zip code are located in Suffolk County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Sound Beach, NY

What EPA Radon Zone is Sound Beach in?

Sound Beach and the 11789 zip code are in Suffolk County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Sound Beach?

Radon mitigation in Sound Beach typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Sound Beach?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in New York

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Brooklyn	10.80 pCi/L	5
Oneonta	6.50 pCi/L	4
Clifton Park	3.75 pCi/L	4
Elmira	15.00 pCi/L	3
Saugerties	10.67 pCi/L	3
Staten Island	4.00 pCi/L	3
New York	9.00 pCi/L	2
Yonkers	8.00 pCi/L	2
Horseheads	7.50 pCi/L	2
Poughkeepsie	16.00 pCi/L	1
Buffalo	4.00 pCi/L	1
Pelham	3.00 pCi/L	1